-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef CHANNEL_MANAGER_H_
#include <linux/limits.h>
#include <sys/un.h>
#include <rte_atomic.h>
-
-/* Maximum number of CPUs */
-#define CHANNEL_CMDS_MAX_CPUS 64
-#if CHANNEL_CMDS_MAX_CPUS > 64
-#error Maximum number of cores is 64, overflow is guaranteed to \
- cause problems with VM Power Management
-#endif
+#include <stdbool.h>
/* Maximum name length including '\0' terminator */
#define CHANNEL_MGR_MAX_NAME_LEN 64
-/* Maximum number of channels to each Virtual Machine */
-#define CHANNEL_MGR_MAX_CHANNELS 64
-
/* Hypervisor Path for libvirt(qemu/KVM) */
#define CHANNEL_MGR_DEFAULT_HV_PATH "qemu:///system"
/* File socket directory */
#define CHANNEL_MGR_SOCKET_PATH "/tmp/powermonitor/"
+/* FIFO file name template */
+#define CHANNEL_MGR_FIFO_PATTERN_NAME "fifo"
+
#ifndef UNIX_PATH_MAX
struct sockaddr_un _sockaddr_un;
#define UNIX_PATH_MAX sizeof(_sockaddr_un.sun_path)
#endif
+#define MAX_CLIENTS 64
+#define MAX_VCPUS 20
+
+
+struct libvirt_vm_info {
+ const char *vm_name;
+ unsigned int pcpus[MAX_VCPUS];
+ uint8_t num_cpus;
+};
+
+struct libvirt_vm_info lvm_info[MAX_CLIENTS];
/* Communication Channel Status */
enum channel_status { CHANNEL_MGR_CHANNEL_DISCONNECTED = 0,
CHANNEL_MGR_CHANNEL_CONNECTED,
CHANNEL_MGR_CHANNEL_DISABLED,
CHANNEL_MGR_CHANNEL_PROCESSING};
+/* Communication Channel Type */
+enum channel_type {
+ CHANNEL_TYPE_BINARY = 0,
+ CHANNEL_TYPE_INI,
+ CHANNEL_TYPE_JSON
+};
+
/* VM libvirt(qemu/KVM) connection status */
enum vm_status { CHANNEL_MGR_VM_INACTIVE = 0, CHANNEL_MGR_VM_ACTIVE};
volatile uint32_t status; /**< Connection status(enum channel_status) */
int fd; /**< AF_UNIX socket fd */
unsigned channel_num; /**< CHANNEL_MGR_SOCKET_PATH/<vm_name>.channel_num */
+ enum channel_type type; /**< Binary, ini, json, etc. */
void *priv_info; /**< Pointer to private info, do not modify */
};
struct vm_info {
char name[CHANNEL_MGR_MAX_NAME_LEN]; /**< VM name */
enum vm_status status; /**< libvirt status */
- uint64_t pcpu_mask[CHANNEL_CMDS_MAX_CPUS]; /**< pCPU mask for each vCPU */
+ uint16_t pcpu_map[RTE_MAX_LCORE]; /**< pCPU map to vCPU */
unsigned num_vcpus; /**< number of vCPUS */
- struct channel_info channels[CHANNEL_MGR_MAX_CHANNELS]; /**< Array of channel_info */
+ struct channel_info channels[RTE_MAX_LCORE]; /**< channel_info array */
unsigned num_channels; /**< Number of channels */
+ int allow_query; /**< is query allowed */
};
/**
void channel_manager_exit(void);
/**
- * Get the Physical CPU mask for VM lcore channel(vcpu), result is assigned to
- * core_mask.
+ * Get the Physical CPU for VM lcore channel(vcpu).
* It is not thread-safe.
*
* @param chan_info
* - 0 on error.
* - >0 on success.
*/
-uint64_t get_pcpus_mask(struct channel_info *chan_info, unsigned vcpu);
+uint16_t get_pcpu(struct channel_info *chan_info, unsigned int vcpu);
/**
- * Set the Physical CPU mask for the specified vCPU.
+ * Set the Physical CPU for the specified vCPU.
* It is not thread-safe.
*
* @param name
* @param vcpu
* The virtual CPU to set.
*
- * @param core_mask
- * The core mask of the physical CPU(s) to bind the vCPU
+ * @param core_num
+ * The core number of the physical CPU(s) to bind the vCPU
*
* @return
* - 0 on success.
* - Negative on error.
*/
-int set_pcpus_mask(char *vm_name, unsigned vcpu, uint64_t core_mask);
+int set_pcpu(char *vm_name, unsigned int vcpu, unsigned int pcpu);
/**
- * Set the Physical CPU for the specified vCPU.
- * It is not thread-safe.
+ * Allow or disallow queries for specified VM.
+ * It is thread-safe.
*
* @param name
- * Virtual Machine name to lookup
- *
- * @param vcpu
- * The virtual CPU to set.
+ * Virtual Machine name to lookup.
*
- * @param core_num
- * The core number of the physical CPU(s) to bind the vCPU
+ * @param allow_query
+ * Query status to be set.
*
* @return
* - 0 on success.
* - Negative on error.
*/
-int set_pcpu(char *vm_name, unsigned vcpu, unsigned core_num);
+int set_query_status(char *vm_name, bool allow_query);
+
/**
* Add a VM as specified by name to the Channel Manager. The name must
* correspond to a valid libvirt domain name.
int add_channels(const char *vm_name, unsigned *channel_list,
unsigned num_channels);
+/**
+ * Set up fifos by which host applications can send command an policies
+ * through a fifo to the vm_power_manager
+ *
+ * @return
+ * - 0 for success
+ */
+int add_host_channels(void);
+
/**
* Remove a channel definition from the channel manager. This must only be
* called from the channel monitor thread.
*/
int get_info_vm(const char *vm_name, struct vm_info *info);
+/**
+ * Populates a table with all domains running and their physical cpu.
+ * All information is gathered through libvirt api.
+ *
+ * @param num_vm
+ * modified to store number of active VMs
+ *
+ * @param num_vcpu
+ modified to store number of vcpus active
+ *
+ * @return
+ * void
+ */
+void get_all_vm(int *num_vm, int *num_vcpu);
#ifdef __cplusplus
}
#endif
git.droids-corp.org / dpdk.git / blobdiff